Multilayer polymeric films and other optical bodies are provided. Medicinal products containing the same which are useful as AMPA modulators. A motor torque is determined as a difference between a fast desired torque and the engine base torque level. Based upon the read check bits and newly generated check bits, a syndrome is generated. A closure is attached to the outer surface of the first sheet for securing the pillowcase in a closed position when the pillowcase is folded.